11253538 has 4 divisors (see below), whose sum is σ = 16880310. Its totient is φ = 5626768.

The previous prime is 11253503. The next prime is 11253553. The reversal of 11253538 is 83535211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83535211 = 149 ⋅560639.

It can be written as a sum of positive squares in only one way, i.e., 9529569 + 1723969 = 3087^2 + 1313^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813383 + ... + 2813386.

Almost surely, 2^11253538 is an apocalyptic number.

11253538 is a deficient number, since it is larger than the sum of its proper divisors (5626772).

11253538 is an equidigital number, since it uses as much as digits as its factorization.

11253538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626771.

The product of its digits is 3600, while the sum is 28.

The square root of 11253538 is about 3354.6293386900. The cubic root of 11253538 is about 224.0937240659.

Adding to 11253538 its reverse (83535211), we get a palindrome (94788749).

The spelling of 11253538 in words is "eleven million, two hundred fifty-three thousand, five hundred thirty-eight".